CN107187460B - A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box - Google Patents
A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box Download PDFInfo
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- CN107187460B CN107187460B CN201710328995.8A CN201710328995A CN107187460B CN 107187460 B CN107187460 B CN 107187460B CN 201710328995 A CN201710328995 A CN 201710328995A CN 107187460 B CN107187460 B CN 107187460B
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- axle
- framework
- pivoted arm
- axle box
- bogie
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/307—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating fluid springs
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- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The present invention relates to a kind of single-axle bogies of Straddle type monorail vehicle using pivoted arm axle box, including framework, a pair of of travelling wheel, two pairs of directive wheels and a pair of of steady wheel, framework is " mouth " font framework, including 2 curb girders and 2 crossbeams, axle connects transmission component and brake disc, travelling wheel is mounted on the axle and rotates together with axle, a pair of of pivoted arm axle box is set on the axle on the outside of travelling wheel, one end of axle box and a crossbeam of framework are connected by cradle head, and air spring is arranged between the other end of axle box and another crossbeam of framework.Compared with prior art, the present invention realizes that vertical buffering, vertical stationarity are good by pivoted arm axle box and air spring；Realize that laterally buffering, lateral stability are good by sunpender；Car body and bogie are adapted in the displacement of curve by sunpender, and curve negotiating is good；Simplify Bogie Designs, reduces bogie quality, it is compact-sized.
Description
Technical field
The present invention relates to Straddle type monorail technical field of vehicle, and in particular to a kind of sit-astride list using pivoted arm axle box
The single-axle bogie of rail vehicle.
Background technique
Monorail PC Track Girders system have to complicated landform have stronger adaptability, land seizure are few, freight volume is moderate,
The advantage of low cost becomes one of the preferred pattern of small and medium-sized cities, Mountainous City and complicated geology urban track traffic.Sit-astride
Single-track vehicle is mainly supported, is oriented to and stablized by a track girder, and vehicle is straddled and travelled on track girder, and body gravity exists
Above track.The main distinction with traditional rail truck is the EEF bogie of vehicle using rubber tyre, and in track girder two
Directive wheel and steady wheel is arranged in side.The track girder simple structure of Straddle type monorail, is both load-carrying members and track structure, structure
Performance is given full play to, and the maintenance workload of track girder is very low.
Chongqing City, China uses the Straddle type monorail vehicle of Hitachi's mode.The Straddle type monorail vehicle of Hitachi's mode is adopted
With two-axle bogie, bogie primary structure include: 2 pairs of travelling wheels, 4 directive wheels, 2 steady wheels, " day " font framework,
Air spring suspension, rubber metal pad traction device, motor rack hang driving device, liquid gas shift brake rigging and by stream boots, 2 pairs
Travelling wheel is mounted on the cantilevered axle of framework, is driven by the semiaxis in cantilevered, and wheel rotates and axle does not rotate, and is hanged
Extension system uses diaphragm type air spring, while providing vertical and lateral pooling feature, and the longitudinal force between car body and bogie is adopted
It is transmitted with rubber metal pad, 2 traction electric machine skew symmetry installations architecturally, by gear-box and semiaxis drive wheel rotation.Basis
Brake apparatus uses hydraulic braking cylinder and liquid-gas transfer device.
Pang Badi Straddle type monorail vehicle use single-axle bogie, bogie primary structure include: 1 pair of travelling wheel, 4 lead
To wheel, 2 steady wheels, " mouth " font framework, hourglass shape rubber spring, 4 connecting rod trailer system of space, hub motor and flowed
Boots are fixed on truck side sill on the axle of travelling wheel, and the stator of permanent magnet synchronous motor is set on axle, and rotor is arranged in vehicle
It takes turns on wheel hub, wheel rotates and axle does not rotate, and suspension uses hour-glass rubber spring, while providing vertical and laterally slow
Function is rushed, 4 connecting rod trailer system of space not only transmits the longitudinal force between car body and bogie, while inhibiting bogie and car body
Between movement of nodding, but the vertical stationarity of existing single-axle bogie, lateral stability and curve negotiating are undesirable.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems and provides a kind of Straddle type monorail using pivoted arm axle box
The single-axle bogie of vehicle realizes the functions such as carrying, guiding, the driving of bogie, cooperates car body design, can reduce car body visitor
The height of floor from rail top of room.
The purpose of the present invention is achieved through the following technical solutions:
A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box, including riding in track girder top
Framework, a pair of of the travelling wheel for being installed on framework lower part, two pairs of directive wheels of framework two sides and a pair of steady wheel, the framework
For " mouth " font framework, including curb girder and crossbeam, the axle connection transmission component and brake disc, the travelling wheel peace
It is rotated together on the axle and with axle, a pair of of pivoted arm axle box is arranged in the axle on the outside of travelling wheel, axle box
One end and a crossbeam lower part of framework are connected by cradle head, are set between the other end of axle box and another crossbeam of framework
Empty gas spring.
Further, the truck side sill two sides hang two pairs of sunpenders vertically, and the sunpender upper end is closed by spherical
Section is connect with the curb girder of framework, and downrod lower end is connect by spherical joint with car body.
Further, the transmission component include the shaft coupling being connect with axle, the gear that is fixed on truck side sill
Case and the traction electric machine being mounted on vehicle body bottom frame, described shaft coupling one end connect axle, other end tooth connection roller box, institute
Driving gear set is equipped in the gear-box stated, the input terminal of gear-box is connected by the output end of scalable shaft coupling and traction electric machine
It connects.
Further, the curb girder of the framework and crossbeam are the hollow rectangle structure of closure, are welded by steel plate,
Recessed for installing shaft coupling among truck side sill, draw-bar seat is arranged in truck side sill recess under centre, and installation is vertical on draw-bar seat
To the framework pull rod of preload.
Further, the non-powered input terminal of axle is arranged in the brake disc, setting braking clamp on framework.
Further, vertical damper is arranged in the outside of air spring in the axle box.
Further, it is arranged between the framework and car body excessive between lateral damper and limitation car body and framework
The lateral stop of lateral displacement.
Further, drawing pull bar, described drawing pull bar one end is arranged along its longitudinal centre line direction in the framework
It is connected by the crossbeam of spherical cradle head and framework, it is another by holding spherical cradle head to connect with car body.
Further, the travelling wheel uses high-pressure aerated rubber tyre, and the directive wheel is in a horizontal state setting
Side surface upper part cooperation below truck side sill end and with track girder, the steady wheel, which is in a horizontal state, to be arranged in framework side
Cooperate below in the middle part of beam and with the side lower of track girder.
Further, rolling bearing is equipped between the axle box and axle.
The present invention is symmetrical arranged two axle boxes on the axle on the outside of travelling wheel, is converted the rotation of travelling wheel by axle box
For the translation of bogie, axle box uses pivoted arm structure, and one end of axle box is fixed under piece crossbeam of framework by cradle head
Side can pass through air spring branch around cradle head transverse axes, the other end setting air spring of axle box and vertical damper
Another crossbeam for supportting framework, by the pivoted arm structure of axle box, realize travelling wheel longitudinal register and vertical carrying；By turning
The air spring and damper of arm-type axle box one end setting, realize vertical buffering and vibration damping.Car body is hung by 4 sunpenders of setting
Bar upper end is connect by spherical joint with framework, and downrod lower end is connect by spherical joint with car body, is put by the transverse direction of sunpender
It is dynamic, laterally buffering is realized by car body gravity, by the longitudinal oscillation of sunpender, when adaptation car body and bogie pass through level curve
The displacement of generation；The intensity of framework is improved by setting framework pull rod for improving the stress of truck side sill；Travelling wheel
It is fixed on axle, is rotated together with axle, alleviate bogie quality, simplify bogie structure.
Compared with prior art, the invention has the following advantages that
1, realize that vertical buffering, vertical stationarity are good by pivoted arm axle box and air spring；
2, realize that laterally buffering, lateral stability are good by sunpender；
3, car body and bogie are adapted in the displacement of curve by sunpender, curve negotiating is good；
4, it is driven using traction electric machine and extension type shaft coupling, simplifies Bogie Designs, reduce bogie quality；
5, using monoblock type wheel to, pivoted arm axle box, axle and wheel unitary rotation, simplify Design of Transmission System, structure
It is compact；
6, cooperate car body design, the height of guest room floor, height of the guest room floor away from track girder upper surface is effectively reduced
Degree is between 600~800mm.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is the structural schematic diagram of the vertical suspension of pivoted arm axle box of the present invention；
Fig. 3 is the overlooking structure diagram of Fig. 1；
Fig. 4 is the side elevational cross-section structural schematic diagram of Fig. 1；
In figure: 1- car body；2- travelling wheel；3- directive wheel；4- steady wheel；5- framework；6- track girder；7- sunpender；8- air
Spring；The vertical damper of 9-；10- cradle head；11- gear-box；The scalable shaft coupling of 12-；13- traction electric machine；14- shaft coupling
Section；15- axle；16- axle box；17- drawing pull bar；18- brake disc；19- framework pull rod.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box, referring to Fig.1-4, including rides in rail
The framework 5 on 6 top of road beam, a pair of of the travelling wheel 2 for being installed on 5 lower part of framework, two pairs of directive wheels 3 of 5 two sides of framework and a pair
Steady wheel 4, framework 5 are " mouth " font framework, including curb girder and crossbeam, and axle 15 connects transmission component and brake disc 18, walks
Row wheel 2 is mounted on the axle 15 and rotates together with axle 15, and a pair of of pivoted arm axle box is arranged in axle 15 on the outside of travelling wheel 2
16, one end of axle box 16 and a crossbeam lower part of framework are connected by cradle head 10, the other end and the framework 5 of axle box 16
Air spring 8 is set between another crossbeam.
Travelling wheel 2 uses high-pressure aerated rubber tyre, and the wheel rim of travelling wheel 2 is installed by the wheel on bolt and axle 15
Disk connection, wheel mounting disc are fitted on axle 15 by interference fit, and travelling wheel 2 is rotated together with axle 15.Axle box is main
Be made of rolling bearing, axle box 16, front cover and rear cover, the inner ring of rolling bearing and axle 15 cooperate, the outer ring of rolling bearing with
Axle box 16 cooperates, and by axle box by the translation for being converted into bogie of travelling wheel, one end of axle box 16 can be closed around rotation
Section 10 is nodded movement, the longitudinal register of realization travelling wheel 2；The other end setting air spring 8 of axle box 16 and vertical damping
Device 9 realizes vertical buffering and vibration damping.
Through 4 hangings of sunpender 7 on bogie frame 5,7 upper end of sunpender is connect by spherical joint with framework 5 car body,
7 lower end of sunpender is connect by spherical joint with car body 1, by the horizontal swing of sunpender 7, is realized by car body gravity laterally slow
Punching；By the longitudinal oscillation of sunpender 7, adapts to car body and bogie passes through the displacement generated when level curve.In framework 5 and car body
Lateral damper is set between 1, and the oscillation crosswise to decay between bogie and car body is additionally provided with cross between framework 5 and car body 1
To stop, lateral displacement excessive between car body and framework is limited.
5 main body of framework is in " mouth " font, is mainly made of 2 curb girders and 2 crossbeams, and the curb girder and crossbeam of framework 5 are envelope
The hollow rectangle structure of closing property, is welded by steel plate, and 5 curb girder center of framework is to lower recess, so that shaft coupling 14 passes through, in structure
Framework tie rod holder measurement is arranged in the both ends of 5 curb girder recess of frame, and installs the framework pull rod 19 longitudinally pre-tightened, for improving 5 side of framework
The stress of beam improves the intensity of framework 5.
Transmission component includes the shaft coupling 14 connecting with axle 15, the gear-box 11 being fixed on 5 curb girder of framework and peace
Traction electric machine 14 on 1 chassis of car body, traction electric machine 14 are coupled by scalable shaft coupling 12 with 11 input shaft of gear-box,
It by scalable shaft coupling 12 to adapt to the displacement between car body 1 and bogie, is arranged so and simplifies bogie structure, mitigate
Bogie quality, gear-box 11 are fixed on 5 curb girder of framework, are equipped with driving gear set in gear-box 11, gear-box 11 it is defeated
Shaft is coupled with axle 15 by a shaft coupling 14, the rotation of axle shaft 15, and gear-box 11 can according to its actual size and again
Amount, is selectively mounted on framework 5, or be mounted on car body 1.The non-powered input terminal of axle 15 is arranged in brake disc 18, braking
Clamp is arranged on framework 5, brakes the active force of clamp from checking cylinder, the power source of checking cylinder can be air, can also
To be hydraulic.
Fig. 4 gives when gear-box 11 is mounted on the arrangement on framework 5, and at this moment traction electric machine 13 passes through scalable
Shaft coupling 12 couples with the input shaft of gear-box 11, and 11 output shaft of gear-box is coupled by shaft coupling 14 with axle 15, drives vehicle
Axis rotation.Since travelling wheel 2 is fixed on axle 15, axle 15 drives travelling wheel 2 to rotate.When The gear deceleration is bigger
When, two-stage gear reduction mode may be selected.When at this moment main-gear box can be mounted on car body 1, the output shaft of traction electric machine 13
Couple with the input shaft of main-gear box, the output shaft of main-gear box passes through a deflecting on scalable shaft coupling 12 and framework 5
The input shaft of gear-box couples, and change gear case changes the direction of transmission, and change gear case is by passing through shaft coupling 14 and axle
15 connections, axle shaft 15 rotate.
Claims (9)
1. a kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box, including ride in track girder (6) top
Framework (5), be installed on framework (5) lower part a pair of of travelling wheel (2), framework (5) two sides two pairs of directive wheels (3) and a pair
Steady wheel (4), the framework (5) are " mouth " font framework, including 2 curb girders and 2 crossbeams,
It is characterized in that, axle (15) connection transmission component and brake disc (18), the travelling wheel (2) are mounted on the axle
(15) it is rotated together on and with axle (15), a pair of of pivoted arm axle box (16) is set on the axle (15) on the outside of travelling wheel (2),
One end of axle box (16) is connect with a crossbeam of framework (5) by cradle head (10), the other end and framework of axle box (16)
(5) air spring (8) are set between another crossbeam, the framework (5) curb girder two sides hang two pairs of sunpenders (7) vertically,
Sunpender (7) upper end is connect by spherical joint with the curb girder of framework (5), and sunpender (7) lower end passes through spherical joint and vehicle
Body (1) connection.
2. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 1, special
Sign is, the transmission component includes the shaft coupling (14) connecting with axle (15), the gear that is fixed on framework (5) curb girder
Case (11) and the traction electric machine (13) being mounted on car body (1) chassis, the shaft coupling (14) one end connect axle (15),
Other end tooth connection roller box (11), the gear-box (11) is interior to be equipped with driving gear set, and the input terminal of gear-box (11) passes through
Scalable shaft coupling (12) connect with the output end of traction electric machine (13).
3. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 2, special
Sign is that the curb girder and crossbeam of the framework (5) are the hollow rectangle structure of closure, is welded by steel plate, framework (5)
Recessed for installing shaft coupling (14) among curb girder, draw-bar seat is arranged in framework (5) curb girder recess under centre, installs on draw-bar seat
The framework pull rod (19) longitudinally pre-tightened.
4. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 1, special
Sign is that the non-powered input terminal in axle (15) is arranged in the brake disc (18), setting braking clamp on framework (5).
5. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 1, special
Sign is that vertical damper (9) is arranged in the outside of air spring (8) in the axle box (16).
6. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 1, special
Sign is, mistake between lateral damper and limitation car body (1) and framework (5) is arranged between the framework (5) and car body (1)
The lateral stop of big lateral displacement.
7. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 1, special
Sign is that drawing pull bar (17) are arranged along its longitudinal centre line direction in the framework (5), the drawing pull bar (17) one end
It is connect by spherical cradle head (10) with the crossbeam of framework (5), it is another by holding spherical cradle head (10) and car body (1) even
It connects.
8. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 1, special
Sign is that the travelling wheel (2) uses high-pressure aerated rubber tyre, and the directive wheel (3), which is in a horizontal state, to be arranged in structure
Cooperate below frame (5) curb girder end and with the side surface upper part of track girder (6), the steady wheel (4), which is in a horizontal state to be arranged, to exist
Cooperate below in the middle part of framework (5) curb girder and with the side lower of track girder (6).
9. a kind of single-axle bogie of Straddle type monorail vehicle using pivoted arm axle box according to claim 1, special
Sign is, rolling bearing is equipped between the axle box (16) and axle (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328995.8A CN107187460B (en) | 2017-05-11 | 2017-05-11 | A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328995.8A CN107187460B (en) | 2017-05-11 | 2017-05-11 | A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107187460A CN107187460A (en) | 2017-09-22 |
| CN107187460B true CN107187460B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710328995.8A Active CN107187460B (en) | 2017-05-11 | 2017-05-11 | A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm axle box |
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| CN109572739B (en) * | 2017-09-28 | 2021-02-23 | 比亚迪汽车工业有限公司 | Monorail bogie |
| CN107554547B (en) * | 2017-10-16 | 2024-07-05 | 重庆中车长客轨道车辆有限公司 | Straddle type monorail train and portal frame type bogie thereof |
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| CN109835365B (en) * | 2017-11-24 | 2020-07-10 | 比亚迪股份有限公司 | Bogie and track traffic system with same |
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| CN108082204B (en) * | 2017-12-08 | 2019-09-27 | 中车株洲电力机车有限公司 | A kind of hitch structure and straddle-type single-track vehicle |
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| CN108330751A (en) * | 2018-02-24 | 2018-07-27 | 北京林业大学 | A kind of pin ladder type forestry mountainous region gyrocar track |
| CN108860202B (en) * | 2018-08-03 | 2020-02-14 | 中车株洲电力机车有限公司 | Low-floor straddle type monorail vehicle bogie and vehicle body layout |
| CN111746578A (en) * | 2019-03-29 | 2020-10-09 | 比亚迪股份有限公司 | Bogie, monorail vehicle and monorail traffic system |
| CN110155107B (en) * | 2019-05-29 | 2024-01-19 | 中国铁建重工集团股份有限公司 | Bogie and monorail operation vehicle |
| CN110509946B (en) * | 2019-09-27 | 2024-01-26 | 西南交通大学 | Single-axle bogie of suspension type monorail vehicle adopting hub reduction gear |
| CN112744248A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Frame, bogie and rail vehicle |
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| CN113460115B (en) * | 2020-03-31 | 2023-06-13 | 比亚迪股份有限公司 | Maintenance device for a bogie of a rail vehicle and rail vehicle |
| CN111661094A (en) * | 2020-05-24 | 2020-09-15 | 中铁宝桥集团有限公司 | Traction suspension device of straddle type monorail vehicle and working method |
| CN112721987B (en) * | 2021-01-22 | 2023-05-02 | 同济大学 | Straddle type monorail train bogie provided with auxiliary steering device |
| CN117509050B (en) * | 2023-11-20 | 2024-05-03 | 北京朗信智能科技有限公司 | Walking mechanism |
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